Shashank Mani Sr. Engineering Manager | Director-Level Engineering Leader 📞 +91 9980777426 | ✉️ wgpshashank@gmail.com | 🔗 linkedin.com/in/brokenarrow Summary Engineering leader with 14+ years of experience driving scalable product & platform development across EdTech, E-Commerce, Supply Chain, IIOT, and Media domains. Proven expertise in building distributed, high-throughput, low-latency systems serving millions of users. Successfully led 8+ product launches, scaled engineering teams up to 100+, and delivered platforms generating $10M–$500M in revenue. Strong technical leadership in backend architecture, cloud infrastructure, cost optimization, and cross-functional execution. Known for driving technology transformation, delivering outcomes at scale, and building high-performing teams. Core Competencies Distributed Systems & Microservices Architecture High-Throughput & Low-Latency Platforms Large-Scale System Design (HLD/LLD) Cloud Infrastructure (AWS, Azure, JioCloud) Cost Optimization & Vendor Management Engineering Leadership & People Development Technical Program Management (Delivery, KPIs, RCA, PIRs) Product Strategy, Planning & Roadmaps Supply Chain, EdTech, E-Commerce, IIOT Education 2010: B.E. Computer Science & Engineering — Birla Institute of Technology, Mesra 2005: 12th — Rajasthan Board 2003: 10th — Rajasthan Board Technical Skills Languages: Java, Golang, Python, C++ Datastores: ScyllaDB, Cassandra, DynamoDB, Postgres, MongoDB, Elasticsearch, Aerospike Cloud Platforms: AWS, Azure, Jio Cloud, Kubernetes, Docker Messaging & Streaming: Kafka, RabbitMQ, EventHub Big Data & Analytics: Hadoop, Spark, Airflow, Synapse, ADLS, Data Lakes Monitoring & Observability: Prometheus, Grafana, InfluxDB, CloudWatch, CloudTrail, GuardDuty Frameworks & APIs: Spring Boot, RxJava, Archaius, Hystrix, MyBatis, Hibernate, REST, SOAP, JSON, YAML, Swagger Other: Microservices, Domain Driven Design, Event Driven Architecture, CQRS, Multithreading, Pub-Sub Work Experience Sr. Engineering Leader (B2B/B2G) – Reliance Jio / Embibe.com Sep 2019 – June 2024 Architected & delivered 8+ products across 20–25 microservices with 300+ APIs handling 1M+ concurrent sessions with p99 latency <300ms. Led multi-tenant school onboarding platform for national B2G rollouts (10K+ schools, 40K+ teachers, 600K+ students). Achieved ~$2M savings through cloud cost optimization and AWS→Azure→Jio Cloud migration. Launched B2B School App contributing $5M+ ARR. Re-architected critical high-throughput platforms processing 100K+ writes/sec. SEO & Performance optimizations improved organic traffic by 30% and load times from 2.8s to under 200ms. Led and mentored 50+ engineers & senior leaders across zones. Senior Software Engineer – WalmartLabs Oct 2018 – Aug 2019 Designed Driver Management System handling 100K+ orders/day saving $300M annually. Built real-time driver location backend using Kafka, Cassandra with sub-150ms p99 latency. Reduced SLA violations by 40% via query optimization & async I/O patterns. Scaled backend systems supporting 100K+ writes/sec under peak load. Led hiring, mentorship & technical leadership for backend team. Senior Tech Lead – GE Digital Mar 2017 – Sep 2018 Led microservices development on GE Predix IIoT platform for industrial clients. Migrated Java services to Golang improving latency by 4x (800ms → 200ms). Achieved 99.99% uptime via event-driven designs with retries, DLQs & isolation. Reduced MTTR by 65% through CI/CD & tracing instrumentation. Delivered $250M/year savings via predictive maintenance & anomaly detection. Associate Technical Architect – Target.com Feb 2015 – Sep 2016 Designed highly available checkout systems processing 300K+ orders/hour with millisecond latency. Built real-time CDC pipelines syncing Cassandra & Oracle for consistent data replication. Scaled checkout platform across 1000+ JVMs ensuring 99.99% uptime. Led async orchestration pipelines for payment, fraud & inventory workflows. Mentored engineers, enforced architecture reviews, and improved system throughput 40%. Earlier Roles: Cvent (2014): Pub-sub system for 20K+ read/writes Times Internet (2012-13): Built India's largest CMS platform TheNewsId (2011-12): Co-founder & CTO, News Aggregation Platform Aricent (2010-2011): Software Engineer, built effort tracking system Key Achievements Top <1% programmer rankings on SPOJ, ACM UVA, and Project Euler (125+ problems solved). Multiple rounds cleared at Facebook Hacker Cup & Google Code Jam. Strong code review, architecture review & system design expertise. Published 20+ technical decision docs, build vs. buy analyses, and engineering frameworks. Soft Skills Analytical Thinking | Problem Solving | Communication | Leadership | Execution | Team Building